#577AF6#577AF6

#577AF6 is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.9% C 0.189 H 268.5°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#577AF6
RGB	rgb(87, 122, 246)
HSL	hsl(227, 90%, 65%)
HSV	hsv(227, 65%, 96%)
CMYK	cmyk(64.6%, 50.4%, 0%, 3.5%)
CIE-LAB	lab(54.65, 26.23, -65.94)
CIE-LCH	lch(54.65, 70.96, 291.69°)
OKLab	oklab(61.87% -0.0049 -0.1892)
OKLCH	oklch(61.87% 0.189 268.5)
XYZ	xyz(27.5189, 22.5966, 90.0823)
Luminance	0.2260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577AF6 #F6D357

analogous

#57CAF6 #577AF6 #8357F6

triadic

#577AF6 #F6577A #7AF657

tetradic

#577AF6 #F657CA #F6D357 #57F683

square

#577AF6 #F657CA #F6D357 #57F683

split-complementary

#577AF6 #F68357 #CAF657

monochromatic

#0B34C8 #1D4CF3 #577AF6 #91A8F9 #CBD6FC

Accessibility & contrast

On white

3.80

#577AF6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#577AF6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577AF6

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577AF6	#FFFFFF	#000000	##000000
##577AF6	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#318AFA

Deuteranopia (green-blind)

#007CF3

Tritanopia (blue-blind)

#0097AC

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #577af6;
/* rgb */ color: rgb(87, 122, 246);
/* oklch */ color: oklch(61.9% 0.189 268.5);

Tailwind

colors: {
  custom: {
    50: '#96a0fa',
    500: '#577af6',
    950: '#000000',
  },
}

SCSS

$custom: #577af6;
$custom-light: #96a0fa;
$custom-dark: #000000;

JSON

{
  "hex": "#577af6",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 246
  },
  "hsl": {
    "h": 226.792,
    "s": 89.831,
    "l": 65.294
  },
  "oklch": {
    "l": 0.61874,
    "c": 0.18922,
    "h": 268.5
  },
  "luminance": 0.22599
}

Semantic roles & 50–950 ramp

primary

#577AF6

secondary

#EFE3BA

accent

#B300E6

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0F0E17

muted

#7E7E85

Preview Lab

Preview with #577AF6

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →